private void BuildChannelsPanel()
{
var layer = project.selectedLayer;
channels.Items.Clear();
using var image = (MagickImage)layer.FilteredImage.Clone();
var layerChannels = image.Separate(Channels.Red | Channels.Green | Channels.Blue | Channels.Alpha);
channels.Items.Add(GUILayout.Header("RGB"));
channels.Items.Add(new Image {
Source = image.ToBitmapImage(false)
});
var i = 0;
foreach (MagickImage channel in layerChannels)
{
var imageChannel = new Image {
Source = channel.ToBitmapImage()
};
var txt = "";
switch (i)
{
case 0: txt = "Red"; break;
case 1: txt = "Green"; break;
case 2: txt = "Blue"; break;
case 3: txt = "Alpha"; break;
}
if (txt.Length > 0)
{
channels.Items.Add(GUILayout.Header(txt));
}
channels.Items.Add(imageChannel);
i++;
}
}